Search a number
-
+
20312222312033 = 792207993111731
BaseRepresentation
bin1001001111001010011101…
…10010111010011001100001
32122220211101200211022112022
410213211032302322121201
510130243412402441113
6111111150041511225
74164336542624111
oct447451662723141
978824350738468
1020312222312033
116521401a58263
12234078a1a2515
13b44585344032
1450318c72b041
1525357a57a908
hex12794ecba661

20312222312033 has 16 divisors (see below), whose sum is σ = 20582485647360. Its totient is φ = 20042291365200.

The previous prime is 20312222312003. The next prime is 20312222312071. The reversal of 20312222312033 is 33021322221302.

It is a cyclic number.

It is not a de Polignac number, because 20312222312033 - 220 = 20312221263457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20312222311993 and 20312222312011.

It is not an unprimeable number, because it can be changed into a prime (20312222312003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1731493778 + ... + 1731505508.

It is an arithmetic number, because the mean of its divisors is an integer number (1286405352960).

Almost surely, 220312222312033 is an apocalyptic number.

It is an amenable number.

20312222312033 is a deficient number, since it is larger than the sum of its proper divisors (270263335327).

20312222312033 is a wasteful number, since it uses less digits than its factorization.

20312222312033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23948.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20312222312033 its reverse (33021322221302), we get a palindrome (53333544533335).

The spelling of 20312222312033 in words is "twenty trillion, three hundred twelve billion, two hundred twenty-two million, three hundred twelve thousand, thirty-three".

Divisors: 1 79 2207 9931 11731 174353 784549 926749 21917717 25890317 116500561 1731499643 2045335043 9203544319 257116738127 20312222312033